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RENAISSANCE TECHNOLOGIES LLC: ATRO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of RENAISSANCE TECHNOLOGIES LLC on ATRO, newest first. How the timeline and the estimate are built.

RENAISSANCE TECHNOLOGIES LLC held 172,220 ATRO shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 172,220 shares
    Change vs previous 13F -50,700 shares

    0.02% of the 13F portfolio, value $13,994,597.

    13F-HR 0001037389-26-000059 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 222,920 shares
    Change vs previous 13F +169,900 shares

    0.02% of the 13F portfolio, value $14,875,452.

    13F-HR 0001037389-26-000033 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 53,020 shares
    Change vs previous 13F -111,580 shares

    <0.01% of the 13F portfolio, value $2,875,805.

    13F-HR 0001037389-26-000023 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 164,600 shares
    Change vs previous 13F -180,300 shares

    0.01% of the 13F portfolio, value $7,507,406.

    13F-HR 0001037389-25-000064 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 344,900 shares
    Change vs previous 13F +60,500 shares

    0.02% of the 13F portfolio, value $11,547,252.

    13F-HR 0001037389-25-000034 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 284,400 shares
    Change vs previous 13F -2,300 shares

    0.01% of the 13F portfolio, value $6,873,948.

    13F-HR 0001037389-25-000023 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 286,700 shares
    Change vs previous 13F +166,900 shares

    0.01% of the 13F portfolio, value $4,575,732.

    13F-HR 0001037389-25-000009 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 119,800 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,333,704.

    13F-HR 0001037389-24-000091 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).